6x²-4+2x
pour x = -3
6(-3)² -4 +2(-3)
6(9) -4 -6
54-4-6
54-10
44
2/
b = 2(x-9/4)
pour x = 7/6
2(7/6-9/4)
2(14/12-27/12)
2(-13/12)
-26/12
-13/6
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6x²-4+2x
pour x = -3
6(-3)² -4 +2(-3)
6(9) -4 -6
54-4-6
54-10
44
2/
b = 2(x-9/4)
pour x = 7/6
2(7/6-9/4)
2(14/12-27/12)
2(-13/12)
-26/12
-13/6
1) A=
A=6×(-3)^2-4+2(-3)
A=6×9-4-6
A=54-4-6
A=44
2) B= 2(x-